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为总结和分析汽车液压阻尼减振器热-机耦合建模与优化设计的研究进展和发展趋势,首先分析了减振器温升对减振器阻尼特性、结构寿命及整车性能带来的危害,进而从减振器热-机耦合模型的建立、带有温度补偿的新型减振器设计以及半主动控制方法等几方面进行了综述。提出了切实可行的减振器热-机耦合研究技术路线,即建立热-机耦合模型、基于热-机耦合模型的减振器优化设计、基于整车性能的悬架优化设计以及基于温度补偿的新型减振器设计,最后指出设计具有应用级别的馈能式减振器是解决温升危害的一种有效途径。
In order to summarize and analyze the research progress and development trend of thermo-mechanical coupling modeling and optimization design for automotive hydraulic damping vibration damper, the damping characteristics, structural life expectancy and overall vehicle performance of shock absorber are firstly analyzed. Then the paper reviews the establishment of the heat-mechanical coupling model of shock absorber, the design of a new type of shock absorber with temperature compensation and the semi-active control method. This paper presents a feasible technology research roadmap for heat-mechanical coupling of shock absorbers, namely, the establishment of the thermo-mechanical coupling model, the optimization design of the shock absorber based on the thermo-mechanical coupling model, the optimization of the suspension based on vehicle performance and the temperature compensation Finally, it is pointed out that designing an energy-dissipating damper with application level is an effective way to solve the problem of temperature rise.